XtremepowerUS Screw Extractor Out Broken Screw Remover Drill Bit Guide 25 Pieces Extracts screws and bolts Can be used on thread sizes from 3/16 to 9/16 (5mm to 16mm) Able to removes broken fastener without breaking or jamming Turns broken fasteners out and allows higher torque with expansion Ideal for extracting screws and bolts